CN207379870U - The device that a kind of bubbling liquid-level meter liquid density measurement is calibrated automatically with liquid level - Google Patents
The device that a kind of bubbling liquid-level meter liquid density measurement is calibrated automatically with liquid level Download PDFInfo
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- CN207379870U CN207379870U CN201720606640.6U CN201720606640U CN207379870U CN 207379870 U CN207379870 U CN 207379870U CN 201720606640 U CN201720606640 U CN 201720606640U CN 207379870 U CN207379870 U CN 207379870U
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Abstract
The utility model discloses a kind of device of bubbling liquid-level meter calibration instrument zero point, including bubbling connecting pipe, bubbling compressed air source unit, capillary throttle device, pressure-detecting device, liquid level container to be measured, it is used to implement the two-way valve of zero point correction, the outlet of bubbling compressed air source unit and the import of capillary throttle device connect, the outlet access bubbling connecting pipe of capillary throttle device, the lower end of bubbling connecting pipe is inserted perpendicularly into the bottom of liquid level container to be measured, pressure-detecting device is connected with bubbling connecting pipe, one end of two-way valve is connected with bubbling connecting pipe, the other end of two-way valve is free end.By establishing bubbling connecting pipe to the connecting line of ullage space, and two-way valve is installed on bubbling connecting pipe, after two-way valve conducting and pressure indicating value are stablized, instrument returns to zero or reads zero liquid level signal value, realizes zero point correction, and the structure of entire calibration zero point device is simple, good airproof performance, control is succinct, of low cost, securely and reliably.
Description
Technical field
The utility model belong to instrument detection technique field, in particular to a kind of bubbling liquid-level meter liquid density measurement with
The device that liquid level is calibrated automatically.
Background technology
Bubbling liquid-level meter substitutes called putting-into-type liquid level meter, the level sensing scheme of differential pressure type level gauge as specific occasion,
Substantially it is still a kind of pressure-type liquidometer.Pressure-type liquidometer is established according to hydrostatic pressure principle：P=ρ gH, measurement pressure
Pressure is calculated by H=P/ (ρ g) after power.For common liquid water, density p only changes in minimum scope, can
It is considered as constant, but for commercial Application, class of liquids is various, and density is also various and has a greater change section, therefore,
Bubbling liquid-level meter will accurately measure industrial liquid liquid level, it is necessary to overcome the influence of fluid density.Measurement fluid density, and and then
It is most direct, most common counter-measure to calibrate liquid level data.The method of density is measured also according to fluid pressure principle, it is actual
Measurement determines the fluid column static pressure of height H, and then can obtain fluid density according to ρ=P/ (gH).In the prior art, measuring
During fluid density, fluid density is measured using two-tube air blast, measuring system is often covered and all employs two sets of independent air blowing drums
Bubble system calculates fluid density using two bubbling connecting pipes in the deep different pressure differences obtained of liquid interpolation, and structure and control are all
It is complex, Energy in use with it is of high cost.
Based on this, study and develop and design the dress that a kind of bubbling liquid-level meter liquid density measurement is calibrated automatically with liquid level
It puts.
Utility model content
The purpose of this utility model is that：There is provided what a kind of bubbling liquid-level meter liquid density measurement was calibrated automatically with liquid level
Device by changing the structure of bubble liquid level meter, using only a bubbling source of the gas, solves and uses two-tube bubbling in the prior art
The technical problems such as use cost height.The utility model is further simplified on this basis, saves a set of scavenger system, only with a set of
Scavenger system saves energy consumption and cost.
The utility model is achieved through the following technical solutions：
The device that a kind of bubbling liquid-level meter liquid density measurement is calibrated automatically with liquid level, including bubbling source of the gas, capillary
Throttling set, bubbling connecting pipe, level gauge to be measured, gas collection connecting pipe, the lower port of gas collection connecting pipe are inserted perpendicularly into to be measured
Level gauge, the bottom conducting cross section of gas collection connecting pipe are more than or equal to the cross section bubbling gap of bubbling connecting pipe, collect conductance
Pressure pipe is sleeved on the outside of bubbling connecting pipe, and upper port, the lower port of bubbling connecting pipe all extend to the outside of gas collection connecting pipe,
The lower port of gas collection connecting pipe is higher than the lower port of bubbling connecting pipe, and the lower port of gas collection connecting pipe and the height of bubbling connecting pipe
Degree difference is H；The upper port of bubbling gas-guide tube and the outlet of capillary throttle device connect, the entrance and drum of capillary throttle device
Source of the gas connection is steeped, the bubbling connecting pipe or/and gas collection connecting pipe are equipped with to measure the upper port and collection of bubbling connecting pipe
The Differential Pressure Unit of the upper port of conductance pressure pipe.
The course of work：The upper port of Differential Pressure Unit measurement set conductance pressure pipe and the upper end of bubbling connecting pipe in the technical program
The pressure of the upper port of the pressure differential deltap P of mouth and the upper port or bubbling gas-guide tube of gas collection connecting pipe, wherein, gas collection connecting pipe
Lower port and the height difference H of the lower port of bubbling connecting pipe be known, according to P=ρ gH, can calculate in level gauge to be measured
The density of liquid is ρ=Δ P/ (gH)；The pressure P1 or bubbling of the upper port of the gas collection connecting pipe detected according to Differential Pressure Unit
Pressure P2, P1=the ρ gH1 of the upper port of connecting pipe, calculate liquid level H1 of the gas collection connecting pipe in level gauge to be measured,
P2=ρ gH2 calculate liquid level H2 of the bubbling connecting pipe in level gauge to be measured, and calculating acquisition bubbling according to H1 and H2 leads
Pressure pipe and gas collection connecting pipe and are made comparisons, so as to level gauge to be measured with height H in the difference in height Δ H of level gauge to be measured
Interior liquid level is corrected.
The technical program uses a set of scavenger system, you can while complete the liquid density measurement of bubbling liquid-level meter, liquid
Position automatically corrects two functions.Wherein the pressed gas of bubbling source of the gas blasts bubbling connecting pipe by capillary throttle device, and
With smaller flow velocity along bubbling connecting pipe downlink, when the gas pressure in bubbling connecting pipe is corresponding with the lower port of bubbling connecting pipe
After the fluid pressure dynamic balance of position, the bubble that interruption is formed from bubbling pilot infratubal port overflows, the pressure in bubbling connecting pipe
It no longer raises, the pressure P2 for obtaining bubbling connecting pipe can be detected by Differential Pressure Unit, characterizes liquid level.From under bubbling connecting pipe
The bubble that port is overflowed ascends into gas collection connecting pipe, when gas collection pilot overpressure and gas collection pilot infratubal port correspondence position
After fluid pressure dynamic balance, gas collection pilot overpressure no longer raises, and extra gas is not entered back into gas collecting tube, at this time pressure difference
The lower port pressure of device detection gas collection connecting pipe is P1, and P1 is less than P2, and difference corresponds to the fluid column static pressure of H height, into
And accurate liquid level numerical value after calibration can be calculated according to fluid density is calculated.Understand, compared in the prior art use two sets and
More set scavenger systems, the technical program use a set of scavenger system, reduce number of devices, reduce equipment and use cost.
Bubbling source of the gas, capillary throttle device described in the technical program, bubbling connecting pipe, the structure of gas collection connecting pipe
And principle is known to those skilled in the art, is no longer described in detail.
Further, the Differential Pressure Unit includes first pressure detection device, second pressure detection device, first pressure inspection
It surveys device to be connected with the upper port of bubbling connecting pipe, second pressure detection device is mounted on the upper port of gas collection connecting pipe.
Here Differential Pressure Unit specific implementation structure is carried out preferably, can is first pressure detection device, detect bubbling pilot
Pipe upper port pressure, second pressure detection device detect gas collection connecting pipe upper port pressure, so as to calculate gas collection connecting pipe,
The pressure difference of bubbling connecting pipe, it is final to realize liquid level correction.
Further, controller, program storage, output module, display module are further included, first pressure detection device is
First pressure sensor, second pressure detection device are second pressure sensor, controller respectively with first pressure sensor, the
Two pressure sensors, program storage, output module, display module connection.
The central processing unit of controller detects bubbling according to the monitoring programme in program storage to first pressure sensor
The upper port pressure of connecting pipe, the instruction of the upper port pressure of second pressure sensor detection gas collection connecting pipe, first pressure pass
The digital signal detected is converted to liquid level value signal and is passed to output module by sensor, second pressure sensor, in output module
Liquid level value signal display module i.e. display is passed to by conducting wire.Wherein controller, program storage, output module, display
The concrete structure and principle of module are known to those skilled in the art, controller, program storage, output module, display
Module can integrate an entirety, and intelligent quick processing is carried out to the pressure signal collected.
Further, the second pressure sensor be differential pressure pick-up, the thief hatch and gas collection of differential pressure pick-up
Connecting pipe connects, another thief hatch of differential pressure pick-up is connected with bubbling connecting pipe.
For detecting bubbling connecting pipe, the pressure differential of gas collection connecting pipe, first pressure detection device detects differential pressure pick-up
The pressure of bubbling connecting pipe, can calculate the pressure of gas collection connecting pipe, fluid density in level gauge to be measured, bubbling connecting pipe with
The lower end difference in height of gas collection connecting pipe is completed to correct liquid level.
Further, the Differential Pressure Unit for the second differential pressure pick-up, two-position three-way valve, one of the second differential pressure pick-up
Thief hatch is connected with gas collection connecting pipe, another thief hatch of the second differential pressure pick-up is connected with bubbling connecting pipe, two-bit triplet
Valve is arranged between the second differential pressure pick-up and gas collection connecting pipe；
Controller, program storage, output module, display module are further included, the controller passes respectively with the second differential pressure
Sensor, program storage, output module, display module connection.
The technical program be to the preferred of Differential Pressure Unit concrete structure, including the second differential pressure pickup, two-position three-way valve, when
The pressure of bubbling connecting pipe is detected then by two-position three-way valve closing and the access of gas collection connecting pipe, measurement set conductance pressure pipe on the contrary
Pressure or control two-position three-way valve, connected simultaneously with the pipeline of bubbling gas-guide tube, gas collection connecting pipe, then obtain pressure differential, from
And the difference in height of the lower port of bubbling connecting pipe and the lower port of gas collection connecting pipe is measured, complete liquid level correction.
Further, the lower end of the gas collection connecting pipe is equipped with gas gathering mask, and the position of gas gathering mask installation is higher than bubbling air guide
The lower port of pipe, gas gathering mask are the bell shape that Open Side Down.
Further, the gas gathering mask is mounted on the lower port of gas collection connecting pipe.
Further, the maximum caliber of the gas gathering mask is more than or equal to twice of the diameter of bubbling connecting pipe.Gas gathering mask
It sets, beneficial to the bubble for collecting the bulging of bubbling mouth.
The utility model compared with prior art, has the following advantages and advantages：
The technical program is simple in structure, and a bubble structure is only used only, and completes to liquid density measurement and liquid level
Zero offset capability reduces use cost.
Description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part does not form the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the structure diagram of the utility model embodiment 1；
Fig. 2 is the structure diagram of the utility model embodiment 2；
Fig. 3 is the structure diagram of the utility model embodiment 4；
Fig. 4 is the structure diagram of the utility model embodiment 4；
Wherein, 1- bubblings source of the gas, 2- capillary throttle devices, 3- bubbling connecting pipes, 4- level gauges to be measured, 5- collection conductances
Pressure pipe, 6- second pressure detection devices, 7- first pressure detection devices, 8- two-position three-way valves, the second differential pressure pick-ups of 9-.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
The lower port of gas collection connecting pipe and bubbling connecting pipe are represented involved in specific embodiment to the h in attached drawing 1-4
Lower port difference in height is known quantity.
Embodiment 1：
The device that a kind of bubbling liquid-level meter liquid density measurement is calibrated automatically with liquid level, including bubbling source of the gas 1, capillary
Throttling set 2, bubbling connecting pipe 3, level gauge to be measured 4, gas collection connecting pipe 5, the lower port of gas collection connecting pipe 5 be inserted perpendicularly into
Level gauge 4 to be measured, the bottom conducting cross section of gas collection connecting pipe 5 are more than or equal to the cross section bubbling gap of bubbling connecting pipe 3,
Gas collection connecting pipe 5 is sleeved on the outside of bubbling connecting pipe 3, and upper port, the lower port of bubbling connecting pipe 3 all extend to gas collection pilot
The outside of pipe 5, the lower port of gas collection connecting pipe 5 are higher than the lower port of bubbling connecting pipe 3, and the lower port of gas collection connecting pipe 5 with
The difference in height of bubbling connecting pipe 3 is H；The upper port of bubbling gas-guide tube 3 is connected with the outlet of capillary throttle device 2, capillary
The entrance of throttling set 2 is connected with bubbling source of the gas 1, and the bubbling connecting pipe 3 or/and gas collection connecting pipe 5 are equipped with to measure
The Differential Pressure Unit of the upper port of bubbling connecting pipe 3 and the upper port of gas collection connecting pipe 5.
As shown in Figure 1, the Differential Pressure Unit includes first pressure detection device 7, second pressure detection device 6, the first pressure
Force checking device 7 is connected with the upper port of bubbling connecting pipe 3, and second pressure detection device 6 is mounted on the upper end of gas collection connecting pipe 5
Mouthful.
Pressed gas from bubbling source of the gas 1 in the present embodiment injects bubbling connecting pipe after capillary throttle device 2
3, with the flow velocity of very little along bubbling connecting pipe downlink, when the lower port pair of gas pressure and bubbling connecting pipe 3 in bubbling connecting pipe 3
After answering position fluid pressure dynamic balance, the bubble that interruption is formed from the lower port of bubbling connecting pipe 3 overflows, in bubbling connecting pipe 3
Pressure no longer raises, and 7 indicating value of first pressure detection device is P1 at this time, characterizes liquid level.From the lower port of bubbling connecting pipe 3
The bubble of spilling ascends into gas collection connecting pipe 5, when pressure position corresponding with the lower port of gas collection connecting pipe 5 in gas collection connecting pipe 5
After putting fluid pressure dynamic balance, pressure no longer raises in gas collection connecting pipe 5, and extra gas is not entered back into gas collection connecting pipe,
6 indicating value of second pressure detection device is P2 at this time.P2 is less than P1, and difference corresponds to the fluid column static pressure of h height, by P2-P1
=Δ P=ρ gh, can in the hope of calculate fluid density ρ=Δ P/ (gh), and then, can ask calculate calibrate after accurate liquid level numerical value H=
hP1/ΔP。
Embodiment 2：
Compared with Example 1, improvement is the present embodiment：Increase and structure described in the present embodiment is set on the basis of embodiment
On, in order to realize intelligentized control method, further include controller, program storage, output module, display module, first pressure detection
Device 7 be first pressure sensor, second pressure detection device 6 be second pressure sensor, controller respectively with first pressure
Sensor, second pressure sensor, program storage, output module, display module connection.
Concrete operation method is：Monitoring instruction setting acquisition bubbling gas-guide tube 3, collection of the controller in program storage
The upper port pressure data signal of conductance pressure pipe 5, the pressure signal data are converted to liquid level value signal and are passed to output module, output
Mould liquid level value signal in the block is passed to display module by conducting wire, that is, shows that calculating obtains corresponding liquid level, convenient for liquid
Bit correction.
Controller described in the present embodiment, program storage, output module, display module can assemble an entirety and the
One pressure-detecting device 7, second pressure detection device 6 connect, and obtain fluid density by pressure data, complete the automatic school of liquid level
Positive whole process completes intelligent processing, and efficiency improves.
Embodiment 3：
The present embodiment and above-described embodiment difference lies in：As shown in Fig. 2, the second pressure sensor 6 passes for differential pressure
Sensor, a thief hatch of differential pressure pick-up are connected with gas collection connecting pipe 5, and another thief hatch and the bubbling of differential pressure pick-up are led
Pressure pipe 3 connects.
In the present embodiment, the indicating value of the second differential pressure pick-up 6 is Δ P, therefore data processing is more simple, straight with converting
It connects.Using the second differential pressure pick-up 6, since the second differential pressure pick-up 6 more sensitively detects slight pressure than pressure sensor
Difference also can guarantee the precision of density measure when h is smaller.
In the present embodiment, fluid density is calculated according to 6 indicating value Δ P of the second differential pressure pick-up, liquid level is according to density and first
Pressure sensor indicating value calculates, and computational methods are same as Example 1.
Embodiment 4：
The improvement of the present embodiment and above-described embodiment is：The Differential Pressure Unit be the second differential pressure pick-up 9, the second differential pressure
One thief hatch of sensor 9 is connected with gas collection connecting pipe 5, another thief hatch and the bubbling pilot of the second differential pressure pick-up 9
Pipe 3 connects, and two-position three-way valve 8 is equipped between the second differential pressure pick-up 9 and gas collection connecting pipe 5；
Controller, program storage, output module, display module are further included, the controller passes respectively with the second differential pressure
Sensor 9, program storage, output module, display module connection.
A kind of preferred Differential Pressure Unit structure is provided, compared with above-described embodiment, eliminates first pressure sensing device
7, two-position three-way valve 8, the common port of the two-position three-way valve 8 are provided between the second differential pressure pick-up 9 and gas collection connecting pipe 5
It is connected with the second differential pressure pick-up 9, two gate one of mouth and are connected with gas collection connecting pipe 5, another gating mouth and big gas phase
It is logical.In this way, when the second differential pressure pick-up 9 is connected to gas collection connecting pipe 5, the indicating value of the second differential pressure pick-up 9 really characterizes
The Δ P of fluid density；And when change valve state, when the second differential pressure pick-up 9 is connected to another gating mouth, differential pressure pick-up
Indicating value is to characterize the p1 of liquid level.
In the present embodiment, a sensing element has only been used, Δ P, P1, liquid are measured by the switching of two-position three-way valve 8 respectively
Volume density is calculated according to 9 indicating value Δ P of the second differential pressure pick-up, liquid level is calculated according to density and 7 indicating value P1 of pressure sensor, meter
Calculation method is same as Example 1, and wherein P1 represents the pressure value of 3 upper port of bubbling connecting pipe, and Δ P represents bubbling connecting pipe 3
And the difference of the pressure value of the upper port of gas collection connecting pipe 5.
Embodiment 5：
Compared with above-described embodiment, difference is the present embodiment：It is different for the structure of level gauge 4 to be measured, two three
The connection status of port valve 8 is different.The level gauge to be measured 4 is open containers, an import of the two-position three-way valve 8 and the
Two differential pressure pick-ups 9 connect, and an import is connected with gas collection connecting pipe 5, one outlet and atmosphere.
When the level gauge 4 to be measured is closed container, an import and the second differential pressure of the two-position three-way valve 8 pass
Sensor 9 connects, and an import is connected with gas collection connecting pipe 5, one outlet and the internal liquid upper space of level gauge 4 to be measured
Connection.Open containers are compared, liquid superjacent air space in the outlet and level gauge to be measured of air will be connected to by designing, to offset
Influence of the liquid level air pressure to measurement in liquid level container to be measured.Testing principle is identical with embodiment 4 with computational methods.
Embodiment 6：
The present embodiment and above-described embodiment difference lies in：The structure of gas collection connecting pipe 5 is carried out preferably, in the gas collection
The lower end of connecting pipe 5 is equipped with gas gathering mask, and the position of gas gathering mask installation is higher than the lower port of bubbling gas-guide tube 3, and gas gathering mask is opening
Downward bell shape.
And the gas gathering mask is mounted on the lower port of gas collection connecting pipe 5, the maximum caliber of gas gathering mask is led more than or equal to bubbling
Twice of the diameter of pressure pipe, beneficial to the bubble for collecting the bulging of bubbling mouth, then the upper port pressure of the gas collection connecting pipe measured is accurate
Spend higher.
Above-described specific embodiment, the purpose of this utility model, technical solution and advantageous effect have been carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of device that bubbling liquid-level meter liquid density measurement is calibrated automatically with liquid level, it is characterised in that：Including bubbling gas
Source (1), capillary throttle device (2), bubbling connecting pipe (3), level gauge to be measured (4), gas collection connecting pipe (5), gas collection pilot
The lower port of pipe (5) is inserted perpendicularly into in level gauge to be measured (4), and the bottom of gas collection connecting pipe (5) is simultaneously flowed out cross section and is more than
Equal to the bubbling gap of the cross section of bubbling connecting pipe (3), gas collection connecting pipe (5) is sleeved on the outside of bubbling connecting pipe (3), drum
Upper port, the lower port of bubble connecting pipe (3) all extend to the outside of gas collection connecting pipe (5), and the lower port of gas collection connecting pipe (5) is high
Lower port in bubbling connecting pipe (3), and the lower port of gas collection connecting pipe (5) and the difference in height of bubbling connecting pipe (3) they are h；Drum
The upper port of bubble connecting pipe (3) is connected with the outlet of capillary throttle device (2), the entrance and drum of capillary throttle device (2)
It steeps source of the gas (1) to connect, the bubbling connecting pipe (3) or/and gas collection connecting pipe (5) are equipped with to measure bubbling connecting pipe (3)
Upper port pressure, the Differential Pressure Unit of the upper port pressure of gas collection connecting pipe (5).
2. the device that a kind of bubbling liquid-level meter liquid density measurement according to claim 1 is calibrated automatically with liquid level,
It is characterized in that：The Differential Pressure Unit includes first pressure detection device (7), second pressure detection device (6), first pressure detection
Device (7) is connected with the upper port of bubbling connecting pipe (3), and second pressure detection device (6) is mounted on the upper of gas collection connecting pipe (5)
Port.
3. the device that a kind of bubbling liquid-level meter liquid density measurement according to claim 2 is calibrated automatically with liquid level,
It is characterized in that：Controller, program storage, output module, display module are further included, first pressure detection device (7) is first
Pressure sensor, second pressure detection device (6) are second pressure sensor, controller respectively with first pressure sensor, the
Two pressure sensors, program storage, output module, display module connection.
4. the device that a kind of bubbling liquid-level meter liquid density measurement according to claim 3 is calibrated automatically with liquid level,
It is characterized in that：The second pressure sensor (6) is differential pressure pick-up, a thief hatch of differential pressure pick-up and gas collection connecting pipe
(5) connect, another thief hatch of differential pressure pick-up is connected with bubbling connecting pipe (3).
5. the device that a kind of bubbling liquid-level meter liquid density measurement according to claim 1 is calibrated automatically with liquid level,
It is characterized in that：The Differential Pressure Unit be the second differential pressure pick-up (9) and two-position three-way valve (8), the one of the second differential pressure pick-up (9)
A thief hatch is connected with gas collection connecting pipe (5), and another thief hatch and the bubbling connecting pipe (3) of the second differential pressure pick-up (9) connect
It connects, two-position three-way valve (8) is arranged between the second differential pressure pick-up (9) and gas collection connecting pipe (5)；
Further include controller, program storage, output module, display module, the controller respectively with the second differential pressure pick-up
(9), program storage, output module, display module connection.
6. the device that a kind of bubbling liquid-level meter liquid density measurement according to claim 5 is calibrated automatically with liquid level,
It is characterized in that：The level gauge to be measured (4) is open containers, an import of the two-position three-way valve (8) and the second differential pressure
Sensor (9) connects, and an import is connected with gas collection connecting pipe (5), one outlet and atmosphere.
7. the device that a kind of bubbling liquid-level meter liquid density measurement according to claim 5 is calibrated automatically with liquid level,
It is characterized in that：The level gauge to be measured (4) is closed container, an import of the two-position three-way valve (8) with it is second poor
Pressure sensor (9) connects, and an import is connected with gas collection connecting pipe (5), one outlet and the inside liquid of level gauge to be measured (4)
Body upper space connects.
8. a kind of bubbling liquid-level meter liquid density measurement and the automatic school of liquid level according to claim 1 to 7 any one
Accurate device, it is characterised in that：The lower end of the gas collection connecting pipe (5) is equipped with gas gathering mask, and the position of gas gathering mask installation is higher than drum
The lower port of connecting pipe (3) is steeped, gas gathering mask is the bell shape that Open Side Down.
9. the device that a kind of bubbling liquid-level meter liquid density measurement according to claim 8 is calibrated automatically with liquid level,
It is characterized in that：The gas gathering mask is mounted on the lower port of gas collection connecting pipe (5).
10. the device that a kind of bubbling liquid-level meter liquid density measurement according to claim 9 is calibrated automatically with liquid level,
It is characterized in that：The maximum caliber of the gas gathering mask is more than or equal to twice of the diameter of bubbling connecting pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720606640.6U CN207379870U (en) | 2017-05-27 | 2017-05-27 | The device that a kind of bubbling liquid-level meter liquid density measurement is calibrated automatically with liquid level |
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| CN201720606640.6U CN207379870U (en) | 2017-05-27 | 2017-05-27 | The device that a kind of bubbling liquid-level meter liquid density measurement is calibrated automatically with liquid level |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593043A (en) * | 2018-06-28 | 2018-09-28 | 国网上海市电力公司 | The measuring apparatus of conservator liquid level for project of transmitting and converting electricity |
| CN108759975A (en) * | 2018-05-24 | 2018-11-06 | 首钢智新迁安电磁材料有限公司 | A kind of gas pressure guiding level sensing structure and liquid level gauge |
| CN112710583A (en) * | 2020-12-28 | 2021-04-27 | 中国人民解放军92493部队计量测试研究所 | Electrolyte density measuring device |
| CN113008326A (en) * | 2021-03-04 | 2021-06-22 | 奥特派智能科技有限公司 | Liquid density and liquid level position measuring device and measuring method |
| CN113945252A (en) * | 2021-10-18 | 2022-01-18 | 上海柯珑清洁技术有限公司 | Far-end gas-collecting type liquid level detection device and method for detecting liquid level and liquid quality in tank |
-
2017
- 2017-05-27 CN CN201720606640.6U patent/CN207379870U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759975A (en) * | 2018-05-24 | 2018-11-06 | 首钢智新迁安电磁材料有限公司 | A kind of gas pressure guiding level sensing structure and liquid level gauge |
| CN108593043A (en) * | 2018-06-28 | 2018-09-28 | 国网上海市电力公司 | The measuring apparatus of conservator liquid level for project of transmitting and converting electricity |
| CN112710583A (en) * | 2020-12-28 | 2021-04-27 | 中国人民解放军92493部队计量测试研究所 | Electrolyte density measuring device |
| CN113008326A (en) * | 2021-03-04 | 2021-06-22 | 奥特派智能科技有限公司 | Liquid density and liquid level position measuring device and measuring method |
| CN113945252A (en) * | 2021-10-18 | 2022-01-18 | 上海柯珑清洁技术有限公司 | Far-end gas-collecting type liquid level detection device and method for detecting liquid level and liquid quality in tank |
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